Billing query and rude management

I visited the Wimpy in Sunward Park and ordered a South Africa breakfast and asked to substitute the 2 eggs with a piece of bacon and a sausage. When paying the bill, i noticed they had subtracted the 2 eggs (-R12), but had added an extra R24 for the bacon and sausage I substituted the eggs with. I therefore had to pay an extra R12 which I did not agree to. I asked to substitute the eggs and not add any extras, simple.<br> <br> I then spoke to a lady who informed me that the price of ingredients are different. I just asked to substitute the 2 eggs with a piece of bacon and a sausge - I didn't ask for any extras. Then a male manager came out and said to me \This is bull!"I then responded \""That's not customer service\"" and he continued telling me this is bull!! Very bad attitude. <br> <br> The R12 does not bother me which I did not end up paying (they made me try to feel bad telling me the waitress would have to pay it - no one should have to pay anything) however I don't appreciate management speaking to me in that way telling me that I'm talking bull!! Disgusting. I"